Severe niacin deficiency, known as pellagra, has been historically associated with poverty and consumption of a diet predominantly based on corn, which is low in bioavailable niacin (25, 26)
While it can lighten pigmentation over time, it does not permanently alter overall skin tone
Are There Any Risks or Side Effects
Like any medical product, it should be used with proper medical guidance
Methods: After collection, the ejaculates of Holstein bulls were subsequently diluted with a Tris extender buffer supplemented with different concentrations of SeNPs (0, 1, 2, and 4 g/ml), followed by semen equilibration at 4C and assessment of sperm viability and motility